Shoe strap extension



FIG. 1 is an isometric view of a shoe strap extension showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a view of my design in an operational setting.

The broken lines in the FIG. 8 view show an additional shoe strap extension, environmental structure in the form of shoes and legs, and the cutoff boundary of the environmental structure. None of the broken lines form a part of the claimed design. 

CLAIM The ornamental design for a shoe strap extension, as shown and described. 